#12256A#12256A

#12256A is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.0% C 0.123 H 266.7°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#12256A
RGB	rgb(18, 37, 106)
HSL	hsl(227, 71%, 24%)
HSV	hsv(227, 83%, 42%)
CMYK	cmyk(83%, 65.1%, 0%, 58.4%)
CIE-LAB	lab(17.88, 20.49, -42.36)
CIE-LCH	lch(17.88, 47.05, 295.81°)
OKLab	oklab(29.99% -0.0071 -0.1225)
OKLCH	oklch(29.99% 0.123 266.7)
XYZ	xyz(3.5116, 2.4919, 13.9288)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12256A #6A5712

analogous

#12516A #12256A #2B126A

triadic

#12256A #6A1225 #256A12

tetradic

#12256A #6A1251 #6A5712 #126A2B

square

#12256A #6A1251 #6A5712 #126A2B

split-complementary

#12256A #6A2B12 #516A12

monochromatic

#04091A #091336 #12256A #1B379E #244AD3

Accessibility & contrast

On white

14.01

#12256A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#12256A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12256A

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12256A	#FFFFFF	#000000	##FFFFFF
##12256A	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306C

Deuteranopia (green-blind)

#002869

Tritanopia (blue-blind)

#003743

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #12256a;
/* rgb */ color: rgb(18, 37, 106);
/* oklch */ color: oklch(30.0% 0.123 266.7);

Tailwind

colors: {
  custom: {
    50: '#615f95',
    500: '#12256a',
    950: '#000000',
  },
}

SCSS

$custom: #12256a;
$custom-light: #615f95;
$custom-dark: #000000;

JSON

{
  "hex": "#12256a",
  "rgb": {
    "r": 18,
    "g": 37,
    "b": 106
  },
  "hsl": {
    "h": 227.045,
    "s": 70.968,
    "l": 24.314
  },
  "oklch": {
    "l": 0.29991,
    "c": 0.1227,
    "h": 266.7
  },
  "luminance": 0.02492
}

Semantic roles & 50–950 ramp

primary

#12256A

secondary

#A28A36

accent

#C73AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #12256A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →